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Finding the Fourth Proportional to 78,963.52, 109,017.12 and 49,195.84

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Solution

The fourth proportional to 78,963.52, 109,017.12 and 49,195.84 is: 67,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,963.52 : 109,017.12 = 49,195.84 : x
  2. Step 2: Convert to fraction form
    78,963.52/109,017.12 = 49,195.84/x
  3. Step 3: Cross multiply
    78,963.52x = 109,017.12 × 49,195.84
  4. Step 4: Simplify right side
    78,963.52x = 5,363,188,792.78
  5. Step 5: Solve for x
    x = 5,363,188,792.78/78,963.52
  6. Step 6: Final answer
    x = 67,919.83

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